The U.S. Government and the Ministry of Health have Released the initial results of a Groundbreaking survey: the Zambia Population-based HIV Impact Assessment (ZAMPHIA).

ZAMPHIA is a nationally representative, population-based HIV survey that was launched on November 27, 2015.

The survey measured the burden of HIV and the impact of Zambia’s HIV Prevention, Care, and Treatment Services.

Zambia is one of the First Three Countries to implement this Groundbreaking, detailed Population-based HIV impact Assessment (PHIA) survey.

PHIA surveys will be implemented in at least 13 Countries, Primarily in Sub-Saharan Africa. 

The implementation of ZAMPHIA has set a global Example for how the Next PHIA Surveys will be Carried Out.

Over the Course of Six Months in 2016, 12,130 Randomly Selected Households from Across Zambia were Visited by ZAMPHIA field teams.


The teams included Nurses and Interviewers; Men, Women, and Children of all Ages could Participate in the Survey, Regardless of HIV Status. 

Consent was obtained from the Participants, including the Parents of Participating Children, before Completing a Questionnaire and Conducting the HIV test. 

Handheld computers were used to Collect the Information via a Face-To-Face Interview. 

Survey Staff were Provided Free HIV Counseling and returned Test Results for HIV and Syphilis to Participants the same Day and in the Privacy and Comfort of people’s Homes. 

Those who Tested Positive for HIV or Syphilis were Referred for Care at the Nearest Ministry Of Health facility. 

The primary Objectives of ZAMPHIA are to Estimate HIV incidence at a national level, and to estimate the National and Provincial HIV prevalence and prevalence of suppressed HIV viral load in a nationally representative sample of adults as well as children.

The Survey found that 12.3 Percent of Adults ages 15 to 59 are living with HIV and Approximately 46,000 New Cases of HIV Occur Every Year.

Of all Persons living with HIV in Zambia, 59.8 percent are Virally Suppressed, meaning that the amount of HIV Virus in an infected individual’s Blood is Below the Threshold that would put them at Greater risk for Developing HIV-related Disease and Transmitting the Virus to others. 

The Provincial Prevalence of Suppressed HIV Viral Load Varies from 50 Percent in Northern Province to 67 percent in Eastern Province.


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